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8,000 lb Trailer Hub & Drum Assembly, 8 on 6.5", 5/8" Studs, 12-1/4" x 3-3/8" Brakes


Regular price $179.08 USD
Shipping calculated at checkout.

Care information

To ensure optimal performance and extend the service life of your new trailer components, please follow these care guidelines after purchase:

  • Before installation, check all parts for shipping damage or missing components. Do not install damaged parts.
  • Always use correct tools and torque settings. Improper installation can lead to premature wear or failure.
  • For bearings, suspensions, and brake components, apply high-quality trailer grease before first use if not pre-greased.
  • Some parts (like brake assemblies) require a short break-in period to achieve full performance. Follow manufacturer instructions for best results.
  • Recheck fasteners, grease levels, and moving components after 100 miles of towing, then at regular intervals.
  • After exposure to water, road salt, or mud, clean and dry parts thoroughly. Apply anti-rust treatment if needed.
  • If storing unused parts, keep them in a dry, sealed container away from moisture and direct sunlight.

Delivery and Shipping

Handling Time: Orders ship out within 1 business day after payment is received.

Shipping Methods: We use trusted carriers like UPS, FedEx, or USPS based on package size and destination.

Delivery Time: Estimated delivery within 2–6 business days (U.S. domestic orders).

Tracking: A tracking number will be provided once your order is dispatched.

This brake assembly fits most standard 7,000 lb trailer axles that use 12" × 2" electric brakes with a 5-bolt mounting flange. Please verify your axle rating and brake dimensions before ordering. If you're unsure, send us your axle tag or hub information and we'll help confirm compatibility.
Yes. It is compatible with many standard Dexter, Lippert, Rockwell American, AL-KO, and other 7,000 lb trailer axles that use a standard 12" × 2" brake assembly. Always verify your axle specifications before purchasing.
Yes. This is a self-adjusting electric brake assembly, which automatically maintains proper brake shoe clearance during normal operation. This reduces maintenance and helps provide consistent braking performance.

Product Overview

Restore reliable braking performance and towing safety with this 8,000 lb grease-lubricated trailer hub and drum assembly. Designed for heavy-duty trailer axle applications, this complete hub and drum assembly features pre-installed 5/8" wheel studs for secure wheel mounting and easier installation.

Engineered for 12-1/4" x 3-3/8" electric or hydraulic brake assemblies, this hub and drum assembly features a precision-machined braking surface that provides smooth, consistent contact with trailer brake shoes. The optimized friction surface helps reduce uneven wear while delivering dependable stopping power under demanding towing conditions.

Built for standard grease-lubricated trailer axle systems, this 8,000 lb hub and drum assembly provides reliable bearing support when paired with compatible bearings, races, seals, and grease cap components. The grease lubrication design offers a proven and service-friendly solution for long-distance towing and heavy-load trailer applications.

Featuring an 8 on 6-1/2" bolt pattern, 4-3/4" hub pilot, and pre-installed 5/8" wheel studs, this complete trailer hub and drum assembly is an ideal replacement solution for flatbed trailers, car haulers, equipment trailers, dump trailers, and other heavy-duty towing applications using 8,000 lb axle systems.

Specifications

Hub & Drum Details:

Axle Capacity: 8,000 lbs Trailer Axle Applications

Bolt Pattern: 8 on 6-1/2"

Wheel Studs: 8 x 5/8" Pre-installed Wheel Studs

Brake Assembly Size: 12-1/4" Diameter x 3-3/8" Width

Wheel Compatibility: Fits 16" and 17.5" Trailer Wheels

Hub Pilot Diameter: 4-3/4"

Lubrication Type: Grease Lubricated

Bearing & Component Compatibility (Sold Separately):

Inner Bearing: 25580 (1.75" ID)

Outer Bearing: 02475 (1.25" ID)

Inner Race: 25520

Outer Race: 02420

Grease Seal: 10-225
(2.25" ID x 3.376" OD)

Grease Cap: Standard 8K Grease Cap Compatible with 4-3/4" Pilot Applications

What's Included

1 x 8,000 lb Trailer Hub & Drum Assembly with Pre-installed 5/8" Wheel Studs

Note: This product includes the complete hub and drum assembly with installed wheel studs. Bearings, races, grease seal, grease cap, lug nuts, and spindle hardware are sold separately.

Replacement & Compatibility

This 8,000 lb grease-lubricated trailer hub and drum assembly is designed for applications using the following Dexter OEM specifications:

OEM Compatibility / Cross Reference:

  • Dexter K08-285-96
  • Dexter K08-285-97

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